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Creatinine, 24 Hour Urine
Test CodeUCR24
Preferred Specimen
Urine, 24 hr or random
Instructions
Collect 24 hour urine and keep refrigerated during and after collection..
Transport Container
Clean container
Transport Temperature
Unspun urine stable for 1 week if refrigerated.
Reference Range
See report for normal ranges.
Clinical Significance
Determination of urine creatinine levels is of little or no help in evaluating renal function unless it is done as part of a creatinine clearance test.